last night the mayor, mayor quan, hosting a big rally outside city hall ahead of the first post-season home game of the year. the as trailing the tigers though 2-0. best-of-five series. as host kara tsuboi outside the coliseum with more ahead of the big game. we have two words for you, kara. we believe. >> reporter: exactly, frank. you have to believe in this team. that's sort of been the mantra all season long. looking back to spring training, who would have thought this group of guys would have made it this far? except for johnny gomes who always believed in the oakland as. the rest of us are like, who is this cast of characters? we lost all our big names. can this group win 60 games, 70 games? and look what they have pulled off. it's been pretty incredible all season long. so yeah, if any team is going to come back from an 0-2 deficit in the american league division series it has to be your oakland as. >> so there is a game tonight at home. do you think that's going to give the as a home field advantage? >> reporter: you know, the way that the play-offs structure is scheduled this y